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Registro Completo |
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Biblioteca(s): |
Embrapa Soja. |
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Data corrente: |
23/11/2012 |
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Data da última atualização: |
31/10/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
PRANDO, A. M.; ZUCARELI, C.; FRONZA, V.; BASSOI, M. C.; OLIVEIRA, F. A. de. |
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Afiliação: |
ANDRÉ MATEUS PRANDO, UEL; CLAUDEMIR ZUCARELI, UEL; VANOLI FRONZA, CNPSO; MANOEL CARLOS BASSOI, CNPSO; FABIO ALVARES DE OLIVEIRA, CNPSO. |
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Título: |
Formas de ureia e doses de nitrogênio em cobertura no desempenho agronômico de genótipos de trigo. |
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Ano de publicação: |
2012 |
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Fonte/Imprenta: |
Semina, Ciências Agrárias, Londrina, v. 33, n. 2, p. 621-632, abr. 2012. |
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DOI: |
10.5433/1679-0359.2012v33n2p621 |
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Idioma: |
Português |
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Conteúdo: |
RESUMO: O objetivo do trabalho foi avaliar o efeito de doses de adubação nitrogenada em cobertura, provenientes de diferentes formas de ureia, em genótipos de trigo, no sistema de semeadura direta. Os genótipos de trigo desenvolvidos pela EMBRAPA (cultivares BRS 208 e BRS Pardela e linhagem IWT 04008) foram avaliados em três experimentos independentes em Ponta Grossa-PR na safra de 2008. O delineamento experimental foi o de blocos casualizados em esquema fatorial 3 x 4, com quatro repetições. Avaliou-se três formas de ureia (ureia convencional, ureia com inibidor de urease e ureia protegida) com quatro doses de N (0, 40, 80 e 120 kg ha-1) aplicadas em cobertura no início do perfilhamento. O incremento das doses de N em cobertura, independentemente da forma de ureia utilizada, favorece a massa seca da folha bandeira, o número de espigas m-2 e a produtividade, porém reduz o peso do hectolitro. A forma de ureia aplicada em cobertura não interfere nas características agronômicas dos genótipos avaliados. Os cultivares BRS 208 e BRS Pardela foram os mais produtivos e apresentaram grãos com maior teor de N que a linhagem IWT 04008.Forms of urea and nitrogen levels in top dressing in the agronomic performance of wheat genotypes. ABSTRACT: Forms of urea and nitrogen levels in top dressing in the agronomic performance of wheat genotypes. The objective of this study was to evaluate the effect of nitrogen fertilization in top dressing from various forms of urea in wheat genotypes on no-till system. Wheat genotypes developed by EMBRAPA (cultivars BRS 208 and BRS Pardela and line IWT 04008) were evaluated in three independents experiments in Ponta Grossa, State of Paraná, Brazil in 2008. Three forms of urea were evaluated (conventional urea, urea with urease inhibitor and protected urea) with four levels of N (0, 40, 80 and 120 kg ha-1) applied in top dressing in early tillering. Randomized block design, in a 3 x 4 factorial experiment, with four replications were used. The increase in the levels of nitrogen in any form of urea used, increase the dry mass of the flag leaf, the number of spikes m-2 and yield, but reduces hectoliter mass. The form of urea applied in top dressing does not influence the agronomic characteristics of the evaluated genotypes. Cultivars BRS 208 and BRS Pardela were more productive and had higher N content grain than line IWT 04008. MenosRESUMO: O objetivo do trabalho foi avaliar o efeito de doses de adubação nitrogenada em cobertura, provenientes de diferentes formas de ureia, em genótipos de trigo, no sistema de semeadura direta. Os genótipos de trigo desenvolvidos pela EMBRAPA (cultivares BRS 208 e BRS Pardela e linhagem IWT 04008) foram avaliados em três experimentos independentes em Ponta Grossa-PR na safra de 2008. O delineamento experimental foi o de blocos casualizados em esquema fatorial 3 x 4, com quatro repetições. Avaliou-se três formas de ureia (ureia convencional, ureia com inibidor de urease e ureia protegida) com quatro doses de N (0, 40, 80 e 120 kg ha-1) aplicadas em cobertura no início do perfilhamento. O incremento das doses de N em cobertura, independentemente da forma de ureia utilizada, favorece a massa seca da folha bandeira, o número de espigas m-2 e a produtividade, porém reduz o peso do hectolitro. A forma de ureia aplicada em cobertura não interfere nas características agronômicas dos genótipos avaliados. Os cultivares BRS 208 e BRS Pardela foram os mais produtivos e apresentaram grãos com maior teor de N que a linhagem IWT 04008.Forms of urea and nitrogen levels in top dressing in the agronomic performance of wheat genotypes. ABSTRACT: Forms of urea and nitrogen levels in top dressing in the agronomic performance of wheat genotypes. The objective of this study was to evaluate the effect of nitrogen fertilization in top dressing from various forms of urea in wheat genotypes on no-... Mostrar Tudo |
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Thesagro: |
Adubação; Trigo. |
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Thesaurus Nal: |
Fertilizer application; Wheat. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/70690/1/formas.semina.bassoi.pdf
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Marc: |
LEADER 03108naa a2200229 a 4500
001 1940408
005 2017-10-31
008 2012 bl uuuu u00u1 u #d
024 7 $a10.5433/1679-0359.2012v33n2p621$2DOI
100 1 $aPRANDO, A. M.
245 $aFormas de ureia e doses de nitrogênio em cobertura no desempenho agronômico de genótipos de trigo.$h[electronic resource]
260 $c2012
520 $aRESUMO: O objetivo do trabalho foi avaliar o efeito de doses de adubação nitrogenada em cobertura, provenientes de diferentes formas de ureia, em genótipos de trigo, no sistema de semeadura direta. Os genótipos de trigo desenvolvidos pela EMBRAPA (cultivares BRS 208 e BRS Pardela e linhagem IWT 04008) foram avaliados em três experimentos independentes em Ponta Grossa-PR na safra de 2008. O delineamento experimental foi o de blocos casualizados em esquema fatorial 3 x 4, com quatro repetições. Avaliou-se três formas de ureia (ureia convencional, ureia com inibidor de urease e ureia protegida) com quatro doses de N (0, 40, 80 e 120 kg ha-1) aplicadas em cobertura no início do perfilhamento. O incremento das doses de N em cobertura, independentemente da forma de ureia utilizada, favorece a massa seca da folha bandeira, o número de espigas m-2 e a produtividade, porém reduz o peso do hectolitro. A forma de ureia aplicada em cobertura não interfere nas características agronômicas dos genótipos avaliados. Os cultivares BRS 208 e BRS Pardela foram os mais produtivos e apresentaram grãos com maior teor de N que a linhagem IWT 04008.Forms of urea and nitrogen levels in top dressing in the agronomic performance of wheat genotypes. ABSTRACT: Forms of urea and nitrogen levels in top dressing in the agronomic performance of wheat genotypes. The objective of this study was to evaluate the effect of nitrogen fertilization in top dressing from various forms of urea in wheat genotypes on no-till system. Wheat genotypes developed by EMBRAPA (cultivars BRS 208 and BRS Pardela and line IWT 04008) were evaluated in three independents experiments in Ponta Grossa, State of Paraná, Brazil in 2008. Three forms of urea were evaluated (conventional urea, urea with urease inhibitor and protected urea) with four levels of N (0, 40, 80 and 120 kg ha-1) applied in top dressing in early tillering. Randomized block design, in a 3 x 4 factorial experiment, with four replications were used. The increase in the levels of nitrogen in any form of urea used, increase the dry mass of the flag leaf, the number of spikes m-2 and yield, but reduces hectoliter mass. The form of urea applied in top dressing does not influence the agronomic characteristics of the evaluated genotypes. Cultivars BRS 208 and BRS Pardela were more productive and had higher N content grain than line IWT 04008.
650 $aFertilizer application
650 $aWheat
650 $aAdubação
650 $aTrigo
700 1 $aZUCARELI, C.
700 1 $aFRONZA, V.
700 1 $aBASSOI, M. C.
700 1 $aOLIVEIRA, F. A. de
773 $tSemina, Ciências Agrárias, Londrina$gv. 33, n. 2, p. 621-632, abr. 2012.
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Registro original: |
Embrapa Soja (CNPSO) |
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Biblioteca(s): |
Embrapa Solos. |
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Data corrente: |
11/02/2022 |
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Data da última atualização: |
11/02/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 1 |
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Autoria: |
SOUZA, R. A. de; LYRA, M. R. C. C.; CARVALHO, R. M. C. M. de O.; ARAUJO FILHO, J. C. de. |
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Afiliação: |
REGINALDO ALVES DE SOUZA, IFPE; MARÍLIA REGINA COSTA CASTRO LYRA, IFPE; RENATA MARIA CAMINHA MENDES DE OLIVEIRA CARVALHO, IFPE; JOSE COELHO DE ARAUJO FILHO, CNPS. |
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Título: |
Sertanejo biodigestor: a social technology, an alternative source of energy. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
Revista Brasileira de Ciências Ambientais, v. 56, n. 4, p. 630-642, dez. 2021. |
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DOI: |
https://doi.org/10.5327/Z21769478987 |
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Idioma: |
Inglês |
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Conteúdo: |
The use of biogas as an alternative to using liquefied petroleum gas (LPG) for cooking food in the context of family farming is something recent and has ample room for growth. The aim of this study was to evaluate the use of the Sertanejo biodigester by farming families as a social technology for cooking gas production, as well as an alternative energy source. It also aimed to identify elements which contribute to disseminating this technology as an alternative to the use of firewood, charcoal and LPG. Quali-quantitative approaches were used following the exploratory method, with interviews and non-probabilistic sampling. A population with 132 units of biodigesters in the Agreste mesoregion of the State of Pernambuco was considered, with 83 interviews being collected. The results indicated that the Sertanejo biodigester social technology provides an increase in the income of farming families, avoids the use of firewood and charcoal for cooking food and produces biofertilizer for crops. They also showed that its non-continuous use or deactivation is related to a lack of raw material and the need for maintenance. Given this scenario, its implementation must consider the availability of a raw material source in the production unit and the potential for biogas production from the existing herd and consumption demand. It is recommended to strengthen arguments of economic and environmental impact for low-income families to disseminate this technology; to encourage the use of biogas associated with other activities in the production system; and to incorporate biodigestor social technology in rural credit financing lines. MenosThe use of biogas as an alternative to using liquefied petroleum gas (LPG) for cooking food in the context of family farming is something recent and has ample room for growth. The aim of this study was to evaluate the use of the Sertanejo biodigester by farming families as a social technology for cooking gas production, as well as an alternative energy source. It also aimed to identify elements which contribute to disseminating this technology as an alternative to the use of firewood, charcoal and LPG. Quali-quantitative approaches were used following the exploratory method, with interviews and non-probabilistic sampling. A population with 132 units of biodigesters in the Agreste mesoregion of the State of Pernambuco was considered, with 83 interviews being collected. The results indicated that the Sertanejo biodigester social technology provides an increase in the income of farming families, avoids the use of firewood and charcoal for cooking food and produces biofertilizer for crops. They also showed that its non-continuous use or deactivation is related to a lack of raw material and the need for maintenance. Given this scenario, its implementation must consider the availability of a raw material source in the production unit and the potential for biogas production from the existing herd and consumption demand. It is recommended to strengthen arguments of economic and environmental impact for low-income families to disseminate this technology; to encourage the use of bioga... Mostrar Tudo |
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Palavras-Chave: |
National Rural Housing Program; Programa Nacional de Habitação Rural; Semiárido; Social technology. |
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Thesagro: |
Agricultura Familiar; Biogás; Mudança Climática; Tecnologia. |
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Thesaurus NAL: |
Climate change; Family farms; Semiarid zones. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/231229/1/Sertanejo-biodigestor-a-social-technology-2021.pdf
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Marc: |
LEADER 02598naa a2200301 a 4500
001 2139965
005 2022-02-11
008 2021 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.5327/Z21769478987$2DOI
100 1 $aSOUZA, R. A. de
245 $aSertanejo biodigestor$ba social technology, an alternative source of energy.$h[electronic resource]
260 $c2021
520 $aThe use of biogas as an alternative to using liquefied petroleum gas (LPG) for cooking food in the context of family farming is something recent and has ample room for growth. The aim of this study was to evaluate the use of the Sertanejo biodigester by farming families as a social technology for cooking gas production, as well as an alternative energy source. It also aimed to identify elements which contribute to disseminating this technology as an alternative to the use of firewood, charcoal and LPG. Quali-quantitative approaches were used following the exploratory method, with interviews and non-probabilistic sampling. A population with 132 units of biodigesters in the Agreste mesoregion of the State of Pernambuco was considered, with 83 interviews being collected. The results indicated that the Sertanejo biodigester social technology provides an increase in the income of farming families, avoids the use of firewood and charcoal for cooking food and produces biofertilizer for crops. They also showed that its non-continuous use or deactivation is related to a lack of raw material and the need for maintenance. Given this scenario, its implementation must consider the availability of a raw material source in the production unit and the potential for biogas production from the existing herd and consumption demand. It is recommended to strengthen arguments of economic and environmental impact for low-income families to disseminate this technology; to encourage the use of biogas associated with other activities in the production system; and to incorporate biodigestor social technology in rural credit financing lines.
650 $aClimate change
650 $aFamily farms
650 $aSemiarid zones
650 $aAgricultura Familiar
650 $aBiogás
650 $aMudança Climática
650 $aTecnologia
653 $aNational Rural Housing Program
653 $aPrograma Nacional de Habitação Rural
653 $aSemiárido
653 $aSocial technology
700 1 $aLYRA, M. R. C. C.
700 1 $aCARVALHO, R. M. C. M. de O.
700 1 $aARAUJO FILHO, J. C. de
773 $tRevista Brasileira de Ciências Ambientais$gv. 56, n. 4, p. 630-642, dez. 2021.
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